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PKCS7_VerifySignedData() also saves pointer to signed data.

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This commit is contained in:
John Safranek
2014-01-21 22:11:21 -08:00
parent 15f94b2f98
commit 38c2373c4f
1 changed files with 26 additions and 2 deletions
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28
ctaocrypt/src/pkcs7.c
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@@ -604,8 +604,32 @@ int PKCS7_VerifySignedData(PKCS7* pkcs7, byte* pkiMsg, word32 pkiMsgSz)
if (GetSequence(pkiMsg, &idx, &length, pkiMsgSz) < 0)
return ASN_PARSE_E;
/* Skip the seqeunce. */
idx += length;
/* Get the inner ContentInfo contentType */
if (GetContentType(pkiMsg, &idx, &contentType, pkiMsgSz) < 0)
return ASN_PARSE_E;
if (contentType != DATA) {
CYASSL_MSG("PKCS#7 inner input not of type Data");
return PKCS7_OID_E;
}
b = pkiMsg[idx++];
if (b != (ASN_CONSTRUCTED | ASN_CONTEXT_SPECIFIC | 0))
return ASN_PARSE_E;
if (GetLength(pkiMsg, &idx, &length, pkiMsgSz) < 0)
return ASN_PARSE_E;
b = pkiMsg[idx++];
if (GetLength(pkiMsg, &idx, &length, pkiMsgSz) < 0)
return ASN_PARSE_E;
/* Save the inner data as the content. */
if (length > 0) {
pkcs7->content = &pkiMsg[idx];
pkcs7->contentSz = length;
idx += length;
}
b = pkiMsg[idx];
/* Get the implicit[0] set of certificates */